#container {
width: 1024px;
margin: 10px auto;
background-color: #fff;
color: #333;
border: 1px solid gray;
line-height: 130%;
}
 
#top {
/*padding: .5em;*/
width: 1024px;
height: 216px;
background-color: #FFF;
border-bottom: 1px solid gray;
background-attachment: fixed ;
background: url('http://www.apprendre-linux.fr/dev/images/site/banniere.jpg') no-repeat;
}
 
#top h1 {
margin: 0;
padding: 0;
}
 
#leftnav {
float: left;
width: 200px;
margin: 0;
padding: .1em;
}
 
#content {
width: 815px;
margin: 0;
margin-left: 200px;
border-left: 1px solid gray;
padding: .1em;
}
 
#footer {
clear: both;
margin: 0;
padding: .1em;
color: #333;
background-color: #ddd;
border-top: 1px solid gray;
}
 
#leftnav p {
margin: 0 0 1em 0;
}

caption {
font-family: sans-serif;
}

table {
border: medium solid #000000;

}
td, th {
border: thin solid #6495ed;

}
